Edits in README

components/mobile-plugins/android-plugin/org.wso2.carbon.device.mgt.mobile.android.ui/src/main/resources/android-tryit/README.md

@@ -5,7 +5,7 @@ Prerequisites
 Instructions
 =================
 
-1. Run 'startEmulator' script in your terminal.
+1. Run 'startEmulator.sh' script in your terminal from the current directory.
    For windows run startEmulator.bat
 2. If you already have android sdk in your computer, please provide location of the sdk. 
    Otherwise this tool will download and install minimum SDK components which needs to run the emulator. 
@@ -17,5 +17,5 @@ Instructions
 Troubleshooting
 ==================
 
-1. If your exisitng SDK doen't work or giving any errors, delete 'sdklocation' file and try agin without selecting the existing SDK path.
+1. If your existing SDK does not work or giving any errors, delete 'sdkLocation' file and try again without selecting the existing SDK path.
 2. If your emulator does not start correctly, please remove all files and directories in $HOME/.android/avd/ directory. Then try again with a new emulator.